The No. 873 from Grieve is a 650°F, electrically heated inert atmosphere cabinet oven that measures 38" × 50" × 38" and is heated by 40 kW installed in Incoloy-sheathed tubular elements. A 2,000-cfm, 2-hp recirculating blower provides horizontal airflow to the workload. The cabinet features 6" insulated walls, and 16 pairs of shelves to support 32 built-in Inconel 600 pans, with two pans on each level plus loading truck tracks on the floor of the workspace.